FAQ » History » Revision 10
Revision 9 (chin-yeh, 11/11/2011 09:57 AM) → Revision 10/13 (chin-yeh, 11/30/2011 12:20 PM)
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h1. FAQ
h2. General
h3. How to simulate a CVV matched payment
enter *999* in CVV field
h3. How to simulate a declined payment
* enter an amount less than *1.00*
* enter a invalid credit card number
h3. How NMI checks for duplicate transaction
A transaction is treated as duplicate when:
* submit same settlement amount using the same credit card within *20 minutes*
h3. No order ID returned
It happens when the result code is *3* or *300*, and any other _un-listed_ response code (e.g. 0) *300*
h3. the card number did not display in the transaction report
It only happens when the submitted card number is more than *19 digit*